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74HC_HCT153 Datasheet(PDF) 8 Page - NXP Semiconductors |
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74HC_HCT153 Datasheet(HTML) 8 Page - NXP Semiconductors |
8 / 17 page 74HC_HCT153 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2014. All rights reserved. Product data sheet Rev. 5 — 23 January 2014 8 of 17 NXP Semiconductors 74HC153; 74HCT153 Dual 4-input multiplexer [1] tpd is the same as tPHL and tPLH. [2] tt is the same as tTHL and tTLH. [3] CPD is used to determine the dynamic power dissipation (PD in W): PD =CPD VCC2 fi N+ (CL VCC2 fo) where: fi = input frequency in MHz; fo = output frequency in MHz; CL = output load capacitance in pF; VCC = supply voltage in V; N = number of inputs switching; (C L VCC 2 f o) = sum of outputs. tpd propagation delay Sn to nY; see Figure 7 [1] VCC = 4.5 V - 20 34 - 43 - 51 ns VCC = 5.0 V; CL =15pF - 17 - - - - - ns nE to nY; see Figure 7 [1] VCC = 4.5 V - 14 27 - 34 - 41 ns VCC = 5.0 V; CL =15pF - 11 - - - - - ns tt transition time see Figure 6 [2] VCC = 4.5 V - 7 15 - 19 - 22 ns CPD power dissipation capacitance per package; VI =GND to VCC 1.5 V [3] -30- - - - - pF Table 7. Dynamic characteristics …continued GND = 0 V; tr = tf = 6 ns; CL = 50 pF; for test circuit, see Figure 8; unless otherwise specified Symbol Parameter Conditions 25 C 40 C to +85 C 40 C to +125 C Unit Min Typ Max Min Max Min Max (1) Measurement points are given in Table 8. VOL and VOH are typical voltage output levels that occur with the output load. Fig 6. Waveforms showing the input (1In, 2In) to output (1Y, 2Y) propagation delays and output transition times Table 8. Measurement points Type Input Output VM VM VX VY 74HC153 0.5VCC 0.5VCC 0.1VCC 0.9VCC 74HCT153 1.3 V 1.3 V 0.1VCC 0.9VCC |
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